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A WHOLE NEW APPROACH

Tarana is not another one-trick wireless startup. 
Ours is a story of true system-scale innovation that is now driving the next generation of access networks.

Let’s start at the beginning.  When we set up the company in 2011, we knew that access networks face severe and mounting issues, and that the time was right (given progress in the economics of signal processing) to take a fresh look at how advanced multi-radio wireless system concepts might help.

We also knew the right first step was to leverage key customer relationships to define requirements.  Working together with technologists and strategists at tier 1 customers like AT&T, Deutsche Telekom, Vodafone, and others too secretive about their initiatives to let us mention them, we built a thorough understanding of the challenges a wireless approach to gigabit-class 5G access must overcome.

THE PROBLEMS

Any broadly-applicable wireless alternative
to exhausted copper and expensive fiber in the last mile
must address all five of these tough issues:

1. OBSTRUCTIONS

Connecting radios in perfectly clear, clean, and stable line of sight conditions is trivial. Unfortunately, the real world of the last mile — especially in residential neighborhoods — makes this impossible much if not most of the time,* because of structures and foliage in the way. The prevalence of this non-line-of-sight (NLoS) problem has profound implications for successful wireless system design.

 

2. SPECTRUM SCARCITY

Most important, working around obstructions requires radio spectrum with the right propagation physics — i.e. bands in the 1 to 6 GHz range. Availability in this spectrum is very limited, given its already widespread use for commercial and government mobile services. Any broadband wireless access (BWA) solution must achieve a very large increase in spectral efficiency over the current state of the art in order to deliver gigabit service in limited spectrum. [Note that inherently poor propagation in the more lightly-used mm-wave bands being explored in current 5G research limits their use to very short LoS links, precluding a viable solution to problem #1 in fixed access.*]

3. INTERFERENCE

The interference issue for BWA systems comes in two flavors. First, inter-cell self-interference within a BWA network must be carefully managed in order to maintain full gigabit service to the cell edge (overcoming one of LTE’s inherent limitations), and to maximize spectrum re-use. Second, since the limited availability of sub-6 GHz spectrum drives most fixed access applications into the unlicensed 5 GHz band, a system must contend successfully with random, pervasive interference from other networks. Maintaining quality service in the face of this widespread issue requires a substantial improvement on the industry’s default approach — evasive channel-changing — which fails in the ever-increasing share of situations where the band is fully busy (just like lane-changing at the peak of rush hour on your worst stretch of urban freeway).

4. MOTION

Although perhaps counterintuitive for an access system with fixed endpoints, motion in the environment is a problem as well. The RF obstructions and reflected signals involved in NLoS operation change as the physical environment changes — whether quickly (from passing vehicles or wind-blown foliage), slowly (foliage growth, new construction), or episodically (holiday decorations). A BWA system must adjust to these changing conditions rapidly and autonomously.

5. COMPLEX INSTALLATION

Last but certainly not least, for a BWA solution to scale up to deployments covering millions of households, and quickly, it must be much easier to install than conventional radio networks — on both ends of the link.

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* For sources and details, contact us.

 

THE SOLUTION

Our next step was to pour about 400 person-years of effort into the development of a completely new approach to broadband wireless access.  Rather than dressing up off-the-shelf radio elements with incremental engineering half-measures and filling the resulting performance gap with false advertising, as is the common practice in the industry, we did the ground-up algorithm invention and refinement, combined with complex whole-system engineering, required to actually solve all five of the hard BWA problems in a commercially-viable 5G architecture.

The outcome of this effort is the Tarana Broadband Access Platform, the motive power for our products in multiple segments.

 

RESIDENTIAL

 

ENTERPRISE

 

URBAN

The  Broadband Access Platform

Distributed Massive MIMO Architecture

 

Suite of Unique Space-Time Adaptive Algorithms

 

True Industry-First Interference Cancellation

 

One 5G Technology Platform, Multiple Applications

We can’t share in this context the details of how our technology works (feel free to drop us a note and we’ll talk further), but we can certainly share a little about how well it works.

RESULTS

Our specification partners have carried on in our relationships to conduct very thorough validation of our technology, in both absolute and relative terms, and they have been uniformly thrilled with the results — which you can see summarized below.

 

Virtually every customer trial and deployment yields exclamations like “I’ve never seen anything like this!” and “This has to be seen to be believed!”  The fact that we are now proceeding under large-scale contracts with multiple tier 1 customers in the BWA segment is testament to our revolutionary advance in the state of the wireless art.

You can get a flavor of our unique capabilities in the small sample of videos below. To see for yourself, please contact us to find out how you can join the Tarana revolution in progress.

Catch Tarana technology in action!

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 Our 5G products are invented, engineered, and made in the USA.

One more thing. Here's a customer link courtesy of Gap Wireless in Canada, one of our regional partners. 50 Mbps in an unlicensed-band (5 GHz) 20 MHz channel at 3.5 km with a half dozen buildings directly in line of sight along the way. Set up in a few minutes. We get this a lot.

To learn more about how we can put our revolutionary performance to work for you,
check out our products.

Rocket science inside.Unrivaled performance outside.